Age: 21 A resident of Sangatsu-chou (March city), she is the eldest of three sisters. Her mother passed away and subsequently she took care of two younger sisters. In the mornings, she helps her elderly grandfather run a traditional wagashi (Japanese confectionary) shop, Mikazuki-dou, while in the evenings, she works as a hostess for an Edo-era store in Ginza, Mizaki, which her aunt manages. She often calls Rei "Rei-kun".